/*
 * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
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 *
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 *
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 *
 *
 *
 */
package javax.swing.plaf.nimbus;

import java.awt.*;
import java.awt.geom.*;
import java.awt.image.*;
import javax.swing.*;
import javax.swing.Painter;


final class SpinnerPreviousButtonPainter extends AbstractRegionPainter {

  //package private integers representing the available states that
  //this painter will paint. These are used when creating a new instance
  //of SpinnerPreviousButtonPainter to determine which region/state is being painted
  //by that instance.
  static final int BACKGROUND_DISABLED = 1;
  static final int BACKGROUND_ENABLED = 2;
  static final int BACKGROUND_FOCUSED = 3;
  static final int BACKGROUND_MOUSEOVER_FOCUSED = 4;
  static final int BACKGROUND_PRESSED_FOCUSED = 5;
  static final int BACKGROUND_MOUSEOVER = 6;
  static final int BACKGROUND_PRESSED = 7;
  static final int FOREGROUND_DISABLED = 8;
  static final int FOREGROUND_ENABLED = 9;
  static final int FOREGROUND_FOCUSED = 10;
  static final int FOREGROUND_MOUSEOVER_FOCUSED = 11;
  static final int FOREGROUND_PRESSED_FOCUSED = 12;
  static final int FOREGROUND_MOUSEOVER = 13;
  static final int FOREGROUND_PRESSED = 14;


  private int state; //refers to one of the static final ints above
  private PaintContext ctx;

  //the following 4 variables are reused during the painting code of the layers
  private Path2D path = new Path2D.Float();
  private Rectangle2D rect = new Rectangle2D.Float(0, 0, 0, 0);
  private RoundRectangle2D roundRect = new RoundRectangle2D.Float(0, 0, 0, 0, 0, 0);
  private Ellipse2D ellipse = new Ellipse2D.Float(0, 0, 0, 0);

  //All Colors used for painting are stored here. Ideally, only those colors being used
  //by a particular instance of SpinnerPreviousButtonPainter would be created. For the moment at least,
  //however, all are created for each instance.
  private Color color1 = decodeColor("nimbusBase", 0.015098333f, -0.5557143f, 0.2352941f, 0);
  private Color color2 = decodeColor("nimbusBase", 0.010237217f, -0.55799407f, 0.20784312f, 0);
  private Color color3 = decodeColor("nimbusBase", 0.018570602f, -0.5821429f, 0.32941175f, 0);
  private Color color4 = decodeColor("nimbusBase", 0.021348298f, -0.56722116f, 0.3098039f, 0);
  private Color color5 = decodeColor("nimbusBase", 0.021348298f, -0.567841f, 0.31764704f, 0);
  private Color color6 = decodeColor("nimbusBlueGrey", 0.0f, -0.0033834577f, -0.30588236f, -148);
  private Color color7 = decodeColor("nimbusBase", 5.1498413E-4f, -0.2583558f, -0.13333336f, 0);
  private Color color8 = decodeColor("nimbusBase", 5.1498413E-4f, -0.095173776f, -0.25882354f, 0);
  private Color color9 = decodeColor("nimbusBase", 0.004681647f, -0.5383692f, 0.33725488f, 0);
  private Color color10 = decodeColor("nimbusBase", -0.0017285943f, -0.44453782f, 0.25098038f, 0);
  private Color color11 = decodeColor("nimbusBase", 5.1498413E-4f, -0.43866998f, 0.24705881f, 0);
  private Color color12 = decodeColor("nimbusBase", 5.1498413E-4f, -0.4625541f, 0.35686272f, 0);
  private Color color13 = decodeColor("nimbusFocus", 0.0f, 0.0f, 0.0f, 0);
  private Color color14 = decodeColor("nimbusBase", 0.0013483167f, 0.088923395f, -0.2784314f, 0);
  private Color color15 = decodeColor("nimbusBase", 0.059279382f, 0.3642857f, -0.43529415f, 0);
  private Color color16 = decodeColor("nimbusBase", 0.0010585189f, -0.541452f, 0.4078431f, 0);
  private Color color17 = decodeColor("nimbusBase", 0.00254488f, -0.4608264f, 0.32549018f, 0);
  private Color color18 = decodeColor("nimbusBase", 5.1498413E-4f, -0.4555341f, 0.3215686f, 0);
  private Color color19 = decodeColor("nimbusBase", 5.1498413E-4f, -0.4757143f, 0.43137252f, 0);
  private Color color20 = decodeColor("nimbusBase", 0.061133325f, 0.3642857f, -0.427451f, 0);
  private Color color21 = decodeColor("nimbusBase", -3.528595E-5f, 0.018606722f, -0.23137257f, 0);
  private Color color22 = decodeColor("nimbusBase", 8.354783E-4f, -0.2578073f, 0.12549019f, 0);
  private Color color23 = decodeColor("nimbusBase", 8.9377165E-4f, -0.01599598f, 0.007843137f, 0);
  private Color color24 = decodeColor("nimbusBase", 0.0f, -0.00895375f, 0.007843137f, 0);
  private Color color25 = decodeColor("nimbusBase", 8.9377165E-4f, -0.13853917f, 0.14509803f, 0);
  private Color color26 = decodeColor("nimbusBlueGrey", -0.6111111f, -0.110526316f, -0.63529414f,
      -179);
  private Color color27 = decodeColor("nimbusBlueGrey", 0.0f, -0.110526316f, 0.25490195f, -186);
  private Color color28 = decodeColor("nimbusBase", 0.018570602f, -0.56714284f, 0.1372549f, 0);
  private Color color29 = decodeColor("nimbusBase", -0.57865167f, -0.6357143f, -0.54901963f, 0);
  private Color color30 = decodeColor("nimbusBase", 0.0f, -0.6357143f, 0.45098037f, 0);


  //Array of current component colors, updated in each paint call
  private Object[] componentColors;

  public SpinnerPreviousButtonPainter(PaintContext ctx, int state) {
    super();
    this.state = state;
    this.ctx = ctx;
  }

  @Override
  protected void doPaint(Graphics2D g, JComponent c, int width, int height,
      Object[] extendedCacheKeys) {
    //populate componentColors array with colors calculated in getExtendedCacheKeys call
    componentColors = extendedCacheKeys;
    //generate this entire method. Each state/bg/fg/border combo that has
    //been painted gets its own KEY and paint method.
    switch (state) {
      case BACKGROUND_DISABLED:
        paintBackgroundDisabled(g);
        break;
      case BACKGROUND_ENABLED:
        paintBackgroundEnabled(g);
        break;
      case BACKGROUND_FOCUSED:
        paintBackgroundFocused(g);
        break;
      case BACKGROUND_MOUSEOVER_FOCUSED:
        paintBackgroundMouseOverAndFocused(g);
        break;
      case BACKGROUND_PRESSED_FOCUSED:
        paintBackgroundPressedAndFocused(g);
        break;
      case BACKGROUND_MOUSEOVER:
        paintBackgroundMouseOver(g);
        break;
      case BACKGROUND_PRESSED:
        paintBackgroundPressed(g);
        break;
      case FOREGROUND_DISABLED:
        paintForegroundDisabled(g);
        break;
      case FOREGROUND_ENABLED:
        paintForegroundEnabled(g);
        break;
      case FOREGROUND_FOCUSED:
        paintForegroundFocused(g);
        break;
      case FOREGROUND_MOUSEOVER_FOCUSED:
        paintForegroundMouseOverAndFocused(g);
        break;
      case FOREGROUND_PRESSED_FOCUSED:
        paintForegroundPressedAndFocused(g);
        break;
      case FOREGROUND_MOUSEOVER:
        paintForegroundMouseOver(g);
        break;
      case FOREGROUND_PRESSED:
        paintForegroundPressed(g);
        break;

    }
  }


  @Override
  protected final PaintContext getPaintContext() {
    return ctx;
  }

  private void paintBackgroundDisabled(Graphics2D g) {
    path = decodePath1();
    g.setPaint(decodeGradient1(path));
    g.fill(path);
    path = decodePath2();
    g.setPaint(decodeGradient2(path));
    g.fill(path);

  }

  private void paintBackgroundEnabled(Graphics2D g) {
    path = decodePath3();
    g.setPaint(color6);
    g.fill(path);
    path = decodePath1();
    g.setPaint(decodeGradient3(path));
    g.fill(path);
    path = decodePath2();
    g.setPaint(decodeGradient4(path));
    g.fill(path);

  }

  private void paintBackgroundFocused(Graphics2D g) {
    path = decodePath4();
    g.setPaint(color13);
    g.fill(path);
    path = decodePath1();
    g.setPaint(decodeGradient3(path));
    g.fill(path);
    path = decodePath2();
    g.setPaint(decodeGradient4(path));
    g.fill(path);

  }

  private void paintBackgroundMouseOverAndFocused(Graphics2D g) {
    path = decodePath5();
    g.setPaint(color13);
    g.fill(path);
    path = decodePath6();
    g.setPaint(decodeGradient5(path));
    g.fill(path);
    path = decodePath7();
    g.setPaint(decodeGradient6(path));
    g.fill(path);

  }

  private void paintBackgroundPressedAndFocused(Graphics2D g) {
    path = decodePath4();
    g.setPaint(color13);
    g.fill(path);
    path = decodePath1();
    g.setPaint(decodeGradient7(path));
    g.fill(path);
    path = decodePath2();
    g.setPaint(decodeGradient8(path));
    g.fill(path);

  }

  private void paintBackgroundMouseOver(Graphics2D g) {
    path = decodePath3();
    g.setPaint(color26);
    g.fill(path);
    path = decodePath1();
    g.setPaint(decodeGradient5(path));
    g.fill(path);
    path = decodePath2();
    g.setPaint(decodeGradient6(path));
    g.fill(path);

  }

  private void paintBackgroundPressed(Graphics2D g) {
    path = decodePath8();
    g.setPaint(color27);
    g.fill(path);
    path = decodePath1();
    g.setPaint(decodeGradient7(path));
    g.fill(path);
    path = decodePath2();
    g.setPaint(decodeGradient8(path));
    g.fill(path);

  }

  private void paintForegroundDisabled(Graphics2D g) {
    path = decodePath9();
    g.setPaint(color28);
    g.fill(path);

  }

  private void paintForegroundEnabled(Graphics2D g) {
    path = decodePath9();
    g.setPaint(color29);
    g.fill(path);

  }

  private void paintForegroundFocused(Graphics2D g) {
    path = decodePath9();
    g.setPaint(color29);
    g.fill(path);

  }

  private void paintForegroundMouseOverAndFocused(Graphics2D g) {
    path = decodePath9();
    g.setPaint(color29);
    g.fill(path);

  }

  private void paintForegroundPressedAndFocused(Graphics2D g) {
    path = decodePath9();
    g.setPaint(color30);
    g.fill(path);

  }

  private void paintForegroundMouseOver(Graphics2D g) {
    path = decodePath9();
    g.setPaint(color29);
    g.fill(path);

  }

  private void paintForegroundPressed(Graphics2D g) {
    path = decodePath9();
    g.setPaint(color30);
    g.fill(path);

  }


  private Path2D decodePath1() {
    path.reset();
    path.moveTo(decodeX(0.0f), decodeY(1.0f));
    path.lineTo(decodeX(0.0f), decodeY(2.6666667f));
    path.lineTo(decodeX(2.142857f), decodeY(2.6666667f));
    path.curveTo(decodeAnchorX(2.142857074737549f, 3.0f), decodeAnchorY(2.6666667461395264f, 0.0f),
        decodeAnchorX(2.7142858505249023f, 0.0f), decodeAnchorY(2.0f, 2.0f), decodeX(2.7142859f),
        decodeY(2.0f));
    path.lineTo(decodeX(2.7142859f), decodeY(1.0f));
    path.lineTo(decodeX(0.0f), decodeY(1.0f));
    path.closePath();
    return path;
  }

  private Path2D decodePath2() {
    path.reset();
    path.moveTo(decodeX(1.0f), decodeY(1.0f));
    path.lineTo(decodeX(1.0f), decodeY(2.5f));
    path.lineTo(decodeX(2.142857f), decodeY(2.5f));
    path.curveTo(decodeAnchorX(2.142857074737549f, 2.0f), decodeAnchorY(2.5f, 0.0f),
        decodeAnchorX(2.5714285373687744f, 0.0f), decodeAnchorY(2.0f, 1.0f), decodeX(2.5714285f),
        decodeY(2.0f));
    path.lineTo(decodeX(2.5714285f), decodeY(1.0f));
    path.lineTo(decodeX(1.0f), decodeY(1.0f));
    path.closePath();
    return path;
  }

  private Path2D decodePath3() {
    path.reset();
    path.moveTo(decodeX(0.0f), decodeY(2.6666667f));
    path.lineTo(decodeX(0.0f), decodeY(2.8333333f));
    path.lineTo(decodeX(2.0324676f), decodeY(2.8333333f));
    path.curveTo(decodeAnchorX(2.0324676036834717f, 2.1136363636363793f),
        decodeAnchorY(2.8333332538604736f, 0.0f), decodeAnchorX(2.7142858505249023f, 0.0f),
        decodeAnchorY(2.0f, 3.0f), decodeX(2.7142859f), decodeY(2.0f));
    path.lineTo(decodeX(0.0f), decodeY(2.6666667f));
    path.closePath();
    return path;
  }

  private Path2D decodePath4() {
    path.reset();
    path.moveTo(decodeX(0.0f), decodeY(1.0f));
    path.lineTo(decodeX(0.0f), decodeY(2.8999999f));
    path.lineTo(decodeX(2.2f), decodeY(2.8999999f));
    path.curveTo(decodeAnchorX(2.200000047683716f, 2.9999999999999982f),
        decodeAnchorY(2.8999998569488525f, 0.0f), decodeAnchorX(2.914285659790039f, 0.0f),
        decodeAnchorY(2.2333333492279053f, 3.0f), decodeX(2.9142857f), decodeY(2.2333333f));
    path.lineTo(decodeX(2.9142857f), decodeY(1.0f));
    path.lineTo(decodeX(0.0f), decodeY(1.0f));
    path.closePath();
    return path;
  }

  private Path2D decodePath5() {
    path.reset();
    path.moveTo(decodeX(0.0f), decodeY(0.0f));
    path.lineTo(decodeX(0.0f), decodeY(2.8999999f));
    path.lineTo(decodeX(2.2f), decodeY(2.8999999f));
    path.curveTo(decodeAnchorX(2.200000047683716f, 2.9999999999999982f),
        decodeAnchorY(2.8999998569488525f, 0.0f), decodeAnchorX(2.914285659790039f, 0.0f),
        decodeAnchorY(2.2333333492279053f, 3.0f), decodeX(2.9142857f), decodeY(2.2333333f));
    path.lineTo(decodeX(2.9142857f), decodeY(0.0f));
    path.lineTo(decodeX(0.0f), decodeY(0.0f));
    path.closePath();
    return path;
  }

  private Path2D decodePath6() {
    path.reset();
    path.moveTo(decodeX(0.0f), decodeY(0.0f));
    path.lineTo(decodeX(0.0f), decodeY(2.6666667f));
    path.lineTo(decodeX(2.142857f), decodeY(2.6666667f));
    path.curveTo(decodeAnchorX(2.142857074737549f, 3.0f), decodeAnchorY(2.6666667461395264f, 0.0f),
        decodeAnchorX(2.7142858505249023f, 0.0f), decodeAnchorY(2.0f, 2.0f), decodeX(2.7142859f),
        decodeY(2.0f));
    path.lineTo(decodeX(2.7142859f), decodeY(0.0f));
    path.lineTo(decodeX(0.0f), decodeY(0.0f));
    path.closePath();
    return path;
  }

  private Path2D decodePath7() {
    path.reset();
    path.moveTo(decodeX(1.0f), decodeY(0.0f));
    path.lineTo(decodeX(1.0f), decodeY(2.5f));
    path.lineTo(decodeX(2.142857f), decodeY(2.5f));
    path.curveTo(decodeAnchorX(2.142857074737549f, 2.0f), decodeAnchorY(2.5f, 0.0f),
        decodeAnchorX(2.5714285373687744f, 0.0f), decodeAnchorY(2.0f, 1.0f), decodeX(2.5714285f),
        decodeY(2.0f));
    path.lineTo(decodeX(2.5714285f), decodeY(0.0f));
    path.lineTo(decodeX(1.0f), decodeY(0.0f));
    path.closePath();
    return path;
  }

  private Path2D decodePath8() {
    path.reset();
    path.moveTo(decodeX(0.0f), decodeY(2.6666667f));
    path.lineTo(decodeX(0.0f), decodeY(2.8333333f));
    path.curveTo(decodeAnchorX(0.0f, 0.0f), decodeAnchorY(2.8333332538604736f, 0.0f),
        decodeAnchorX(2.0324676036834717f, -2.1136363636363793f),
        decodeAnchorY(2.8333332538604736f, 0.0f), decodeX(2.0324676f), decodeY(2.8333333f));
    path.curveTo(decodeAnchorX(2.0324676036834717f, 2.1136363636363793f),
        decodeAnchorY(2.8333332538604736f, 0.0f), decodeAnchorX(2.7142858505249023f, 0.0f),
        decodeAnchorY(2.0f, 3.0f), decodeX(2.7142859f), decodeY(2.0f));
    path.lineTo(decodeX(0.0f), decodeY(2.6666667f));
    path.closePath();
    return path;
  }

  private Path2D decodePath9() {
    path.reset();
    path.moveTo(decodeX(1.0f), decodeY(1.0f));
    path.lineTo(decodeX(1.5045455f), decodeY(1.9943181f));
    path.lineTo(decodeX(2.0f), decodeY(1.0f));
    path.lineTo(decodeX(1.0f), decodeY(1.0f));
    path.closePath();
    return path;
  }


  private Paint decodeGradient1(Shape s) {
    Rectangle2D bounds = s.getBounds2D();
    float x = (float) bounds.getX();
    float y = (float) bounds.getY();
    float w = (float) bounds.getWidth();
    float h = (float) bounds.getHeight();
    return decodeGradient((0.5f * w) + x, (0.0f * h) + y, (0.5f * w) + x, (1.0f * h) + y,
        new float[]{0.0f, 0.5f, 1.0f},
        new Color[]{color1,
            decodeColor(color1, color2, 0.5f),
            color2});
  }

  private Paint decodeGradient2(Shape s) {
    Rectangle2D bounds = s.getBounds2D();
    float x = (float) bounds.getX();
    float y = (float) bounds.getY();
    float w = (float) bounds.getWidth();
    float h = (float) bounds.getHeight();
    return decodeGradient((0.5f * w) + x, (0.0f * h) + y, (0.5f * w) + x, (1.0f * h) + y,
        new float[]{0.0f, 0.05748663f, 0.11497326f, 0.55748665f, 1.0f},
        new Color[]{color3,
            decodeColor(color3, color4, 0.5f),
            color4,
            decodeColor(color4, color5, 0.5f),
            color5});
  }

  private Paint decodeGradient3(Shape s) {
    Rectangle2D bounds = s.getBounds2D();
    float x = (float) bounds.getX();
    float y = (float) bounds.getY();
    float w = (float) bounds.getWidth();
    float h = (float) bounds.getHeight();
    return decodeGradient((0.5f * w) + x, (0.0f * h) + y, (0.5f * w) + x, (1.0f * h) + y,
        new float[]{0.0f, 0.5f, 1.0f},
        new Color[]{color7,
            decodeColor(color7, color8, 0.5f),
            color8});
  }

  private Paint decodeGradient4(Shape s) {
    Rectangle2D bounds = s.getBounds2D();
    float x = (float) bounds.getX();
    float y = (float) bounds.getY();
    float w = (float) bounds.getWidth();
    float h = (float) bounds.getHeight();
    return decodeGradient((0.5f * w) + x, (0.0f * h) + y, (0.5f * w) + x, (1.0f * h) + y,
        new float[]{0.0f, 0.05748663f, 0.11497326f, 0.2419786f, 0.36898395f, 0.684492f, 1.0f},
        new Color[]{color9,
            decodeColor(color9, color10, 0.5f),
            color10,
            decodeColor(color10, color11, 0.5f),
            color11,
            decodeColor(color11, color12, 0.5f),
            color12});
  }

  private Paint decodeGradient5(Shape s) {
    Rectangle2D bounds = s.getBounds2D();
    float x = (float) bounds.getX();
    float y = (float) bounds.getY();
    float w = (float) bounds.getWidth();
    float h = (float) bounds.getHeight();
    return decodeGradient((0.5f * w) + x, (0.0f * h) + y, (0.5f * w) + x, (1.0f * h) + y,
        new float[]{0.0f, 0.5f, 1.0f},
        new Color[]{color14,
            decodeColor(color14, color15, 0.5f),
            color15});
  }

  private Paint decodeGradient6(Shape s) {
    Rectangle2D bounds = s.getBounds2D();
    float x = (float) bounds.getX();
    float y = (float) bounds.getY();
    float w = (float) bounds.getWidth();
    float h = (float) bounds.getHeight();
    return decodeGradient((0.5f * w) + x, (0.0f * h) + y, (0.5f * w) + x, (1.0f * h) + y,
        new float[]{0.0f, 0.05748663f, 0.11497326f, 0.2419786f, 0.36898395f, 0.684492f, 1.0f},
        new Color[]{color16,
            decodeColor(color16, color17, 0.5f),
            color17,
            decodeColor(color17, color18, 0.5f),
            color18,
            decodeColor(color18, color19, 0.5f),
            color19});
  }

  private Paint decodeGradient7(Shape s) {
    Rectangle2D bounds = s.getBounds2D();
    float x = (float) bounds.getX();
    float y = (float) bounds.getY();
    float w = (float) bounds.getWidth();
    float h = (float) bounds.getHeight();
    return decodeGradient((0.5f * w) + x, (0.0f * h) + y, (0.5f * w) + x, (1.0f * h) + y,
        new float[]{0.0f, 0.5f, 1.0f},
        new Color[]{color20,
            decodeColor(color20, color21, 0.5f),
            color21});
  }

  private Paint decodeGradient8(Shape s) {
    Rectangle2D bounds = s.getBounds2D();
    float x = (float) bounds.getX();
    float y = (float) bounds.getY();
    float w = (float) bounds.getWidth();
    float h = (float) bounds.getHeight();
    return decodeGradient((0.5f * w) + x, (0.0f * h) + y, (0.5f * w) + x, (1.0f * h) + y,
        new float[]{0.0f, 0.05748663f, 0.11497326f, 0.2419786f, 0.36898395f, 0.684492f, 1.0f},
        new Color[]{color22,
            decodeColor(color22, color23, 0.5f),
            color23,
            decodeColor(color23, color24, 0.5f),
            color24,
            decodeColor(color24, color25, 0.5f),
            color25});
  }


}
